Improve formatting of tables used for code blocks

The codeblock tables are being badly formatted, with the column for the line numbers the same width as that for the content. Tweak the html for tables with the `lntable` class so that the line numbers are only 3% of the width. Signed-off-by: Martyn Welch <martyn.welch@collabora.com>

Improve formatting of tables used for code blocks
The codeblock tables are being badly formatted, with the column for the line numbers the same width as that for the content. Tweak the html for tables with the `lntable` class so that the line numbers are only 3% of the width. Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
ac19f520 · Martyn Welch · Emanuele Aina · 4dabc0b4 · ac19f520
Commit ac19f520 authored 4 years ago by Martyn Welch Committed by Emanuele Aina 4 years ago
--- a/scripts/hotdoc-html-2-pdf
+++ b/scripts/hotdoc-html-2-pdf
@@ -71,6 +71,20 @@ def update_local_links(elem, prefix):

        link.attrib['href'] = '%s/%s' % (prefix, href)

+def format_lntables(elem):
+    tables = elem.xpath('.//table')
+    for table in tables:
+        cls = table.attrib.get('class')
+        if cls != 'lntable':
+            continue
+
+        col = etree.Element("col")
+        col.attrib['width'] = "97%"
+        table.insert(0, col)
+        col = etree.Element("col")
+        col.attrib['width'] = "3%"
+        table.insert(0, col)
+
 def convert_images(elem, imgdir):
    imgs = elem.xpath('.//img')
    for img in imgs:
@@ -116,6 +130,7 @@ def transform(args):
    inpath = os.path.dirname(args.input)
    tmpdir_path = tempfile.mkdtemp(prefix=os.path.join(inpath, ''))
    convert_images(body, tmpdir_path)
+    format_lntables(body)

    output.append('<!DOCTYPE html>')
    output.append('<html lang="en">')